Home / 1,422,847.02-1,963,507.46-849,776.48

Finding the Fourth Proportional to 1,422,847.02, 1,963,507.46 and 849,776.48

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Solution

The fourth proportional to 1,422,847.02, 1,963,507.46 and 849,776.48 is: 1,172,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,847.02 : 1,963,507.46 = 849,776.48 : x
  2. Step 2: Convert to fraction form
    1,422,847.02/1,963,507.46 = 849,776.48/x
  3. Step 3: Cross multiply
    1,422,847.02x = 1,963,507.46 × 849,776.48
  4. Step 4: Simplify right side
    1,422,847.02x = 1,668,542,457,812.54
  5. Step 5: Solve for x
    x = 1,668,542,457,812.54/1,422,847.02
  6. Step 6: Final answer
    x = 1,172,678.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.